<template>
  <view v-if="goods_info.goods_name" class="goods-detail-container">
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item,i) in goods_info.pics" :key="i">
        <image :src="item.pics_big" @click="preview(i)"></image>
      </swiper-item>
    </swiper>
    
    <!-- 商品信息区域 -->
    <view class="goods-info-box">
      <!-- 商品价格 -->
      <view class="price">￥{{goods_info.goods_price}}</view>
      <!-- 商品信息主体区域 -->
      <view class="goods-info-body">
        <!-- 商品的名字 -->
        <view class="goods-name">{{goods_info.goods_name}}</view>
        <!-- 收藏 -->
        <view class="favi">
          <uni-icons type="star" size="18" color="gray"></uni-icons>
          <text>收藏</text>
        </view>
        
      </view>
      <!-- 运费 -->
      <view class="yf">快递：免运费</view>
      
      
    </view>
  
  <rich-text :nodes="goods_info.goods_introduce"></rich-text>
  
  
  <!-- 商品导航组件区域 -->
  <view class="goods_nav">
    <uni-goods-nav :fill="true"  :options="options" :buttonGroup="buttonGroup"  @click="onClick" @buttonClick="buttonClick" />
  </view>
  
  
  </view>

  
</template>

<script>
  
  import { mapState, mapMutations,mapGetters } from 'vuex'
  
  
  export default {
    computed: {
      ...mapState('m_cart',[]),
      ...mapGetters('m_cart',['total'])
    },
    watch:{
      // total(newVal){
        // const findResult = this.options.find(x => x.text === '购物车')
        // this.options[2].info ++
        // if(findResult){
        //   findResult.info = newVal        
        // }
      // }
      total: {
        handler(newVal){
          const findResult = this.options.find(x => x.text === '购物车')
          // this.options[2].info ++
          if(findResult){
            findResult.info = newVal        
          }
        },
        immediate: true
      }
      
    },
    
    
    data() {
      return {
        goods_info: {},
        options: [{
        icon: 'headphones',
        text: '客服'
      }, {
        icon: 'shop',
        text: '店铺',
        // info: 2,
        infoBackgroundColor:'#007aff',
        infoColor:"red"
      }, {
        icon: 'cart',
        text: '购物车',
        info: 0
      }],
        buttonGroup: [{
          text: '加入购物车',
          backgroundColor: '#ff0000',
          color: '#fff'
        },
        {
          text: '立即购买',
          backgroundColor: '#ffa200',
          color: '#fff'
        }
        ]

      };
    },
    onLoad(options){
      // console.log(options)
      const goods_id = options.goods_id
      this.getGoodsDetail(goods_id)
      
    },
    methods:{
      ...mapMutations('m_cart',['addToCart']),
      async getGoodsDetail(goods_id){
        const { data: res } = await uni.$http.get('/api/public/v1/goods/detail',{goods_id})
        if(res.meta.status !== 200 ) return uni.$showMsg()
        
        res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g,'<img style="display:block;" ')
        
        
        this.goods_info = res.message
      },
      //实现轮播图的预览效果
      preview(i){
        //调用uni.previewImage()方法预览图片
        uni.previewImage({
          current: i,
          //所有图片 url 地址的数组
          urls: this.goods_info.pics.map(x => x.pics_big)
        })
      },
      onClick(e){
        if(e.content.text === '购物车'){
          uni.switchTab({
            url:'/pages/cart/cart'
          })
        }
        
      },
      buttonClick(e){
        // console.log(e)
        if(e.content.text === '加入购物车'){
          //{goods_id,goods_name,goods_price,goods_count,goods_small_logo,goods_state}
          const goods = {
            goods_id: this.goods_info.goods_id,
            goods_name: this.goods_info.goods_name,
            goods_price: this.goods_info.goods_price,
            goods_count: this.goods_info.goods_count,
            goods_small_logo: this.goods_info.goods_small_logo,
            goods_state: true
          }
          this.options[2].info ++
          console.log('ok')
          //调用addToCart方法
          this.addToCart(goods)
        }
      }
    }
  }
</script>

<style lang="scss">

  swiper{
    height: 750rpx;
    
    image{
      width: 100%;
      height: 100%;
    }

  }
  .goods-info-box{
    padding: 10px;
    padding-right: 0;
    
    .price{
      color: #C00000;
      font-size: 18px;
      margin: 10px 0;
      
    }
    .goods-info-body{
      display: flex;
      justify-content: space-between;
      
      .goods-name{
        font-size: 13px;
        margin-right: 10px;
      }
      .favi{
        width: 120px;
        font-size: 12px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        border-left: 1px solid #efefef;
        color: gray;
        
        
      }
    }
    .yf{
      font-size: 12px;
      margin:10px 0;
      color: gray;
      
    }

  }
  
  .goods_nav{
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
  }
  
  .goods-detail-container{
    padding-bottom: 50px;
  }
  
  
  
</style>
